CN206711699U - A kind of three-phase transformer - Google Patents
A kind of three-phase transformer Download PDFInfo
- Publication number
- CN206711699U CN206711699U CN201720417215.2U CN201720417215U CN206711699U CN 206711699 U CN206711699 U CN 206711699U CN 201720417215 U CN201720417215 U CN 201720417215U CN 206711699 U CN206711699 U CN 206711699U
- Authority
- CN
- China
- Prior art keywords
- coil windings
- phase transformer
- iron cores
- main shaft
- fixed seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
It the utility model is related to a kind of three-phase transformer, including main shaft, fixed seat, three iron cores, coil windings, connecting rod and three carbon brush；Main shaft is vertically inserted into fixed seat, and is rotatablely connected with fixed seat, and the upper end of main shaft exposes to fixed seat；Three iron cores are from top to bottom sequentially set in the outside of fixed seat；Rotating around provided with coil windings on three iron cores；Connecting rod is fixed on the upper end of main shaft；Three carbon brush are from top to bottom sequentially fixed in connecting rod, and respectively positioned at the side of three iron cores, and contacted respectively with coil windings.The utility model sets between adjacent iron cores by setting carbon brush in the side of iron core and is dielectrically separated from paper, makes three-phase transformer compact-sized, reduces volume, save material, facilitates processing and fabricating.By two layers of coil windings of winding on iron core, winding wire diameter is doubled, and then D.C. resistance is reduced four times, so as to greatly strengthen the output current of transformer, reduce loss.
Description
Technical field
Field transformer is the utility model is related to, more particularly to a kind of three-phase transformer.
Background technology
Because it can be by voltage increase to the high pressure for industrial production, and can reduces the voltage to gives birth to transformer for resident
The effect of the low pressure living used, is favored by every field.Three-phase transformer then can both dock the industrial equipment of three-phase electricity,
And can docks the industrial equipment of single-phase electricity, therefore is widely applied to precision machine tool, mechanical electronic equipment, Medical Devices, illumination etc.
Field.
Referring to Fig. 1, it is the sectional view of existing three-phase transformer.Existing three-phase transformer includes main shaft 01, fixed
02, three iron core 03 of seat, coil windings (not shown), three rotating shafts 04 and three carbon brush 05.The main shaft 01 is plugged in institute
State in fixed seat 02, and can be rotated in the fixed seat 02.Three iron cores 03 are from top to bottom sequentially set in described solid
The outside of reservation 02.Rotating around provided with coil windings on three iron cores 03；One end of the coil windings and control source
End connection, the other end are followed by zero line rotating around three iron cores 03 are located at.Three rotating shafts 04 rotate with the main shaft 01
Connection, and it is located at the top of three iron cores 03 respectively.Three carbon brush 05 are fixed with three rotating shafts 04 respectively to be connected
Connect, and be located at the top of three iron cores 03 respectively, and the coil windings with three iron cores 03 contact respectively.Described three
Individual carbon brush 05 is respectively connecting to voltage output end by wire, between the voltage input end for the coil windings that carbon brush 05 is in contact with it
Coil windings equivalent to primary coil winding, and the coil windings phase between the zero line for the coil windings that carbon brush 05 is in contact with it
When in secondary coil winding.By rotating shaft 04, change the position that carbon brush 05 contacts with coil windings, so as to change access just
Turn ratio between level coil windings and secondary coil winding, and then change the voltage swing of output.
But the carbon brush 05 of existing three-phase transformer is arranged at the top of three iron cores 03, increases existing three-phase
The volume of transformer, and to prevent each iron core 03 from mutual inductance occurs, generally also need to be spaced between three iron cores 03 bigger
Distance, further result in the huge of existing three-phase transformer volume.In addition, the coil windings of existing three-phase transformer are adopted
With single-layer winding mode, in limited volume, girth line footpath is small, and resistance is big, loss is big；And existing iron core 03 is logical
Often stacked and formed by multi-disc silicon steel sheet punching press, poor performance, magnetic flux density is low, the problem of easily causing leakage field.
Utility model content
Based on this, the purpose of this utility model is, there is provided a kind of three-phase transformer, its have compact-sized, small volume,
Save material, loss is small, performance is good, magnetic flux density is big, can prevent the advantages of leakage field.
The utility model is realized by following scheme：A kind of three-phase transformer, including main shaft, fixed seat, three iron
Core, coil windings, connecting rod and three carbon brush；The main shaft is vertically inserted into the fixed seat, and is turned with the fixed seat
Dynamic connection, and the upper end of the main shaft exposes to the fixed seat；Three iron cores are from top to bottom sequentially set in described solid
The outside of reservation；Rotating around provided with the coil windings on three iron cores；The connecting rod is fixed on the upper of the main shaft
End；Three carbon brush are from top to bottom sequentially fixed in the connecting rod, and are located at the side of three iron cores respectively, and
Contacted respectively with the coil windings.
Compared to prior art, the utility model makes three-phase transformer structure tight by setting carbon brush in the side of iron core
Gather, reduce volume, save material, facilitate processing and fabricating, can directly be attached in equipment and use.
Further, be provided between adjacent iron cores prevent mutual inductance be dielectrically separated from paper.
Further, the coil windings include first layer coil windings and second layer coil windings；First layer line
Insulating barrier is provided between circle winding and second layer coil windings.
Further, the first circle coil and the coil of the even number number of turn directly form the first layer around being located on the iron core
Coil windings；The coil winding for the odd number number of turn that 3rd number of turn starts forms second layer coil windings on the insulating layer.
Further, the thickness of the insulating barrier is 0.2mm-0.4mm.
Further, three iron cores are integrally formed O-shaped silicon steel core.
Further, the cross section of three iron cores is circle.
Further, the connecting rod is the L-type bent rod being made up of cross bar and vertical pole；Described cross bar one end is horizontal fixed
In the upper end of main shaft, the other end fixes the vertical pole vertically；Three carbon brush are from top to bottom sequentially fixed on the vertical pole.
Further, in addition to for drive shaft the handwheel rotated；The handwheel is fixed on main shaft upper end end.
Compared to prior art, the utility model is set by setting carbon brush in the side of iron core between adjacent iron cores
Put and be dielectrically separated from paper, make three-phase transformer compact-sized, reduce volume, save material, facilitate processing and fabricating.Further
Ground, by two layers of coil windings of winding on iron core, winding wire diameter is doubled, and then D.C. resistance is reduced four times, from
And the output current of transformer is greatly strengthen, reduce loss, while make winding inter-turn voltage low, it is ensured that transformer is reliably resistance to
With.Meanwhile the utility model uses integrally formed O-shaped silicon steel core, performance is good, magnetic flux density is big, iron core leakage field is small, is not required to
Additionally to install magnetic cup additional and close shield, can directly be attached in equipment and use.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the sectional view of existing three-phase transformer；
Fig. 2 is the structural representation in the utility model three-phase transformer embodiment；
Fig. 3 is the sectional view shown in Fig. 1；
Fig. 4 is the winding schematic diagram of coil windings shown in Fig. 1.
Embodiment
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation in the utility model three-phase transformer embodiment；Fig. 3
For the sectional view shown in Fig. 1.The three-phase transformer of the present embodiment, including main shaft 1, fixed seat 2,3, three iron cores 4 of handwheel, insulation
Barrier paper 5, coil windings 6, connecting rod 7 and three carbon brush 8.The main shaft 1 is vertically inserted into the fixed seat 2, and with institute
State fixed seat 2 to be rotatablely connected, and the upper end of the main shaft 1 exposes to the fixed seat 2.The handwheel 3 is fixed on the main shaft 1
Upper end end, for driving the main shaft 1 to rotate.Three iron cores 4 are from top to bottom sequentially set in the outer of the fixed seat 2
Side.Being provided between adjacent iron cores 4 prevents the described of mutual inductance to be dielectrically separated from paper 5.Rotating around provided with the line on three iron cores 4
Enclose winding 6.The connecting rod 7 is connected with the main shaft 1；Three carbon brush 8 are from top to bottom sequentially fixed on the connecting rod 7
On, and it is located at the side of three iron cores 4 respectively, and contacted respectively with the coil windings 6.
Three iron cores 4 are integrally formed O-shaped silicon steel core 4, and the cross section of three iron cores 4 is circle
Shape.
Referring to Fig. 4, it is the winding schematic diagram of coil windings shown in Fig. 1, the numeral with circle represents winding in figure
Number of turn item.The coil windings 6 include first layer coil windings 61 and second layer coil windings 62；The first layer coil windings
Insulating barrier is provided between 61 and second layer coil windings 62.The thickness of the insulating barrier is 0.2mm-0.4mm, it is preferred that described
The thickness of insulating barrier is 0.3mm.In the present embodiment, the coil of the first circle coil and the even number number of turn is directly around being located at the iron core 4
Upper to form the first layer coil windings 61, the coil winding for the odd number number of turn that the 3rd number of turn starts forms second on the insulating layer
Layer coil windings 62.
One end access voltage input end of the coil windings 6, the other end are grounded after the iron core 4 is located at；Described three
Individual carbon brush 8 is respectively connecting to voltage output end by wire, that is, the coil windings 6 between carbon brush 8 and voltage input end
For primary coil winding 6, and the coil windings 6 between carbon brush 8 and voltage output end are secondary coil winding 6.
The connecting rod 7 is the L-type bent rod being made up of cross bar 71 and vertical pole 72.Described one end of cross bar 71 is horizontally fixed on
The upper end of main shaft 1, the other end fix the vertical pole 72 vertically.
Compared to prior art, the utility model is set by setting carbon brush in the side of iron core between adjacent iron cores
Put and be dielectrically separated from paper, make three-phase transformer compact-sized, reduce volume, save material, facilitate processing and fabricating.Further
Ground, by two layers of coil windings of winding on iron core, winding wire diameter is doubled, and then D.C. resistance is reduced four times, from
And the output current of transformer is greatly strengthen, reduce loss, while make winding inter-turn voltage low, it is ensured that transformer is reliably resistance to
With.Meanwhile the utility model uses integrally formed O-shaped silicon steel core, performance is good, magnetic flux density is big, iron core leakage field is small, is not required to
Additionally to install magnetic cup additional and close shield, can directly be attached in equipment and use.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.
Claims (10)
- A kind of 1. three-phase transformer, it is characterised in that：Including main shaft, fixed seat, three iron cores, coil windings, connecting rod and three Individual carbon brush；The main shaft is vertically inserted into the fixed seat, and is rotatablely connected with the fixed seat, and the upper end of the main shaft Expose to the fixed seat；Three iron cores are from top to bottom sequentially set in the outside of the fixed seat；Three iron cores On rotating around provided with the coil windings；The connecting rod is fixed on the upper end of the main shaft；Three carbon brush are from top to bottom Sequentially it is fixed in the connecting rod, and is located at the side of three iron cores respectively, and is contacted respectively with the coil windings.
- 2. three-phase transformer according to claim 1, it is characterised in that：Being provided between adjacent iron cores prevents the insulation of mutual inductance Barrier paper.
- 3. three-phase transformer according to claim 1, it is characterised in that：The coil windings include first layer coil windings With second layer coil windings；Insulating barrier is provided between the first layer coil windings and second layer coil windings.
- 4. three-phase transformer according to claim 3, it is characterised in that：First circle coil and the coil of the even number number of turn are direct The first layer coil windings are formed around being located on the iron core；The coil for the odd number number of turn that 3rd number of turn starts around be located at insulation Second layer coil windings are formed on layer.
- 5. three-phase transformer according to claim 3, it is characterised in that：The thickness of the insulating barrier is 0.2mm-0.4mm.
- 6. three-phase transformer according to claim 1, it is characterised in that：Three iron cores are integrally formed O-shaped Silicon steel core.
- 7. three-phase transformer according to claim 6, it is characterised in that：The cross section of three iron cores is circle.
- 8. three-phase transformer according to claim 1, it is characterised in that：The connecting rod is made up of cross bar and vertical pole L-type bent rod；Described cross bar one end is horizontally fixed on the upper end of main shaft, and the other end fixes the vertical pole vertically；Three carbon Brush is from top to bottom sequentially fixed on the vertical pole.
- 9. three-phase transformer according to claim 1, it is characterised in that：Also include being used for the handwheel that drive shaft rotates； The handwheel is fixed on main shaft upper end end.
- 10. three-phase transformer according to claim 1, it is characterised in that：One end access voltage of the coil windings is defeated Enter end, the other end is grounded after the iron core is located at；Three carbon brush are respectively connecting to voltage output end by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417215.2U CN206711699U (en) | 2017-04-20 | 2017-04-20 | A kind of three-phase transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720417215.2U CN206711699U (en) | 2017-04-20 | 2017-04-20 | A kind of three-phase transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206711699U true CN206711699U (en) | 2017-12-05 |
Family
ID=60455378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720417215.2U Active CN206711699U (en) | 2017-04-20 | 2017-04-20 | A kind of three-phase transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206711699U (en) |
-
2017
- 2017-04-20 CN CN201720417215.2U patent/CN206711699U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106856140A (en) | The common mode differential mode integrated inductor of bimag spatially interlaced arrangement | |
| CN206259243U (en) | A kind of high voltage pulse transformer non-symmetric line coil structures | |
| CN207397904U (en) | A kind of laminar low pressure wound coil of radial several paralleled conductor binding | |
| CN206711699U (en) | A kind of three-phase transformer | |
| CN208478093U (en) | The transformer of winding construction | |
| CN107768095A (en) | A kind of high voltage bearing transformer | |
| CN204303529U (en) | Photovoltaic power generation transformer loop construction | |
| CN217361336U (en) | Low-voltage foil coil outgoing line structure for double-split transformer | |
| CN103151904A (en) | High-power, high-frequency pulse and high-voltage rectifying transformer | |
| CN202102847U (en) | Novel deformer | |
| CN206116167U (en) | Integrated leakage inductance resonance transformer | |
| CN103745800A (en) | Pulse transformer and manufacturing method thereof | |
| CN201788782U (en) | High-frequency transformer | |
| TWM333646U (en) | Improved structure of leakage inductance resonant transformer | |
| CN205230780U (en) | Transformer coil | |
| CN206363864U (en) | Coil windings | |
| WO2009024009A1 (en) | Double active parts structure of reactor | |
| CN206877806U (en) | A kind of reel iron core transformer winding construction | |
| CN206432122U (en) | A kind of great-power electronic transformer of new structure | |
| CN206819866U (en) | A kind of transformer | |
| CN216015046U (en) | Primary winding of voltage transformer coil | |
| CN202905420U (en) | Transformer of high insulation performance and high intensity | |
| CN203151362U (en) | High-power high-frequency impulse high-voltage rectifier transformer | |
| CN217768081U (en) | Flat wire planar transformer | |
| CN203871154U (en) | High frequency transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191219 Address after: 511462 building 6, No. 2, No. 10, QIHANG Road, Nansha District, Guangzhou City, Guangdong Province (production management building and auxiliary building of electromechanical comprehensive workshop) (office only) Patentee after: Guangzhou Wenchong Shipbuilding Co., Ltd Address before: 511462 No. 10, sailing Road, Nansha District, Guangdong, China, No. 1, 4 (office building), written by myself, Guangzhou Patentee before: The boat in Guangzhou Wenchong Dock Company Limited |
|
| TR01 | Transfer of patent right |